change key battery AUDI S3 2010 Owners Manual

Opening and closing
Master key battery replacement
Each master key contains a battery housed under the
cover.
Fig . 25 Master key:
opening the cover
We recommend having the battery changed by a qualified
workshop. However, if you wish to replace the dead battery
yourself, proceed as follows:
- Pry apart the base::::::,fig. 25
@andthecover @carefully
with a coin.
- Remove the cover (arrow) .
- Remove the dead battery from the cover.
- Install the new battery. Please make certain that the"+"
sign on the battery faces down. Correct polarity is shown
on the cover.
- Place the cover with the new battery on the key base and
press both parts together.
For the sake of the environment
Dispose of dead batteries properly so as not to pollute the environ ­
ment.
[ i ] Tips
The replacement battery must be the same specification as the
original. •
Electronic immobilizer
The immobilizer prevents your vehicle from being started
by unauthorized persons.
A computer chip inside your key automatically deactivates the elec ­
tronic immobilizer when you insert the key in the ignition lock .
When you remove the key from the ignition lock, the electronic
immobilizer is automatically activated once again .
If an unauthorized key was used,
SAFE is displayed continuously in
the odometer display field.
[ i ] Tips
• Your engine can only be started using the factory -equipped key.
• You may not be abl e to s tart your vehicle if an ignition key of a
different vehicle make is also located on your set of keys.
• For Declaration of Compliance to United States FCC and Industry
Canada regulations ~
page 302. •
Power locking system
General description
The power locking system locks or unlocks all doors and
the rear lid simultaneously.
The power locking system in your vehicle incorporates the following
functions:
• Central locking function